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Journal of Elastomers and Plastics
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Use of Polymeric Plasticizers in Polyvinyl Chloride to Reduce Conventional Plasticizer Migration for Critical Applications

M. C. Sunny

Department of Polymer Science and Rubber Technology Cochin University of Science and Technology Kochi, 682 022, India, Biomedical Technology Wing Sree Chitra Tirunal Institute for Medical Sciences and Technology Poojapura, Thiruvananthapuram, 695 012, Kerala, India

P. Ramesh

Biomedical Technology Wing Sree Chitra Tirunal Institute for Medical Sciences and Technology Poojapura, Thiruvananthapuram, 695 012, Kerala, India

K. E. George

Department of Polymer Science and Rubber Technology Cochin University of Science and Technology Kochi, 682 022, India, kegeorge{at}cusat.ac.in

Di-(2-ethyl hexyl) phthalate (DEHP), a conventional plasticizer in polyvinyl chloride (PVC), was partially replaced by polymeric plasticizers. Three different elastomers such as nitrile rubber (NBR), carboxylated nitrile rubber (XNBR) and epoxidized natural rubber (ENR) were used as polymeric plasticizers. Mechanical properties and leaching of DEHP of the modified PVC in comparison to the compound containing DEHP alone were investigated. The study shows that the migration of the DEHP can be reduced significantly without affecting the useful mechanical properties.

Key Words: di(2-ethyl hexyl)phthalate • plasticizer leaching • polyvinyl chloride

Journal of Elastomers and Plastics, Vol. 36, No. 1, 19-31 (2004)
DOI: 10.1177/0095244304038016
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